Home / 343,722,931,704.25-474,316,273,321.78-189,389,974,587.12

Finding the Fourth Proportional to 343,722,931,704.25, 474,316,273,321.78 and 189,389,974,587.12

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Solution

The fourth proportional to 343,722,931,704.25, 474,316,273,321.78 and 189,389,974,587.12 is: 261,346,388,805.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,722,931,704.25 : 474,316,273,321.78 = 189,389,974,587.12 : x
  2. Step 2: Convert to fraction form
    343,722,931,704.25/474,316,273,321.78 = 189,389,974,587.12/x
  3. Step 3: Cross multiply
    343,722,931,704.25x = 474,316,273,321.78 × 189,389,974,587.12
  4. Step 4: Simplify right side
    343,722,931,704.25x = 89,830,746,950,669,380,354,048
  5. Step 5: Solve for x
    x = 89,830,746,950,669,380,354,048/343,722,931,704.25
  6. Step 6: Final answer
    x = 261,346,388,805.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.